Bug#32025 ndb_waiter does too many roundtrips to ndb_mgmd

- fix test failures that was already there but now are
   more consistent when the 1 second sleep has been removed from
   ndb_waiter

mysql-test/include/ndb_wait_connected.inc

@@ -0,0 +1,26 @@
+# Check that mysqld has reconnected to ndbd after
+# restart of ndbd
+#
+--disable_query_log
+--disable_result_log
+let $mysql_errno= 1;
+let $counter= 600;
+while ($mysql_errno)
+{
+  --error 0,157
+  CREATE TABLE ndb_wait_connected (a int primary key);
+  if ($mysql_errno)
+  {
+    if (!$counter)
+    {
+      die Failed waiting for mysqld to reconnect to ndbd;
+    }
+    dec $counter;
+    --sleep 0.1
+  }
+}
+DROP TABLE ndb_wait_connected;
+--enable_query_log
+--enable_result_log
+
+